1113620 has 12 divisors (see below), whose sum is σ = 2338644. Its totient is φ = 445440.

The previous prime is 1113617. The next prime is 1113643. The reversal of 1113620 is 263111.

It can be written as a sum of positive squares in 2 ways, for example, as 454276 + 659344 = 674^2 + 812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1113595 and 1113604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27821 + ... + 27860.

It is an arithmetic number, because the mean of its divisors is an integer number (194887).

2^1113620 is an apocalyptic number.

1113620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113620 is an abundant number, since it is smaller than the sum of its proper divisors (1225024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113620 is a wasteful number, since it uses less digits than its factorization.

1113620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55690 (or 55688 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1113620 is about 1055.2819528448. The cubic root of 1113620 is about 103.6523152741.

Adding to 1113620 its reverse (263111), we get a palindrome (1376731).

It can be divided in two parts, 11 and 13620, that added together give a palindrome (13631).

The spelling of 1113620 in words is "one million, one hundred thirteen thousand, six hundred twenty".